GMC TSB #PIP5498L

2017 GMC Sierra

TSB Document:

Affected Component: ENGINE AND ENGINE COOLING

Summary
This Preliminary information communicates A vehicle may have a concern of DTC P050D setting along with a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well. Cause Coolant getting into the cylinders, and provides direction for the repair.   

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Date Published
MAY 07, 2019
NHTSA TSB #
10160989
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